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Revenue Recognition - Schedule of Disaggregation of Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Consolidated revenue	$ 321,471	$ 312,266	$ 625,061	$ 602,516
U.S. Higher Education Segment
Disaggregation of Revenue [Line Items]
Consolidated revenue	215,635	216,613	436,643	435,849
U.S. Higher Education Segment | Tuition, net of discounts, grants and scholarships
Disaggregation of Revenue [Line Items]
Consolidated revenue	206,714	207,571	418,460	417,302
U.S. Higher Education Segment | Other
Disaggregation of Revenue [Line Items]
Consolidated revenue	8,921	9,042	18,183	18,547
Australia/New Zealand Segment
Disaggregation of Revenue [Line Items]
Consolidated revenue	69,144	71,130	117,404	118,505
Australia/New Zealand Segment | Tuition, net of discounts, grants and scholarships
Disaggregation of Revenue [Line Items]
Consolidated revenue	67,849	69,004	114,295	114,638
Australia/New Zealand Segment | Other
Disaggregation of Revenue [Line Items]
Consolidated revenue	1,295	2,126	3,109	3,867
Education Technology Services Segment
Disaggregation of Revenue [Line Items]
Consolidated revenue	$ 36,692	$ 24,523	$ 71,014	$ 48,162

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